Firstly, talk about the basic concept and characteristic of classical insurance, secondly we discussed the determination of optimal retention in excess-loss reinsurance.

本文在介绍了再保险领域内的一个传统险种的基本概念、特点的基础上，讨论了超额损失再保险中最优自留额的确定问题。

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The custodians are all regulated by the SEC and FINRA, audited by a nationally recognized accounting firm, and each account is protected for loss of securities by a combination of SIPC insurance and commercial excess Securities Investor Protection Corporation (SIPC).

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